Specifically the example which shows providing an array of an array of values.

Specifically the example which shows providing an array of an array of values.

* master: (42 commits)
  Add support for merging custom meta data in tribe node (elastic#21552)
  [DOCS] Show EC2's auto attribute (elastic#21474)
  Add information about the removal of store throttling to the migration guide.
  Add a recommendation against large documents to the docs. (elastic#21652)
  Add indices options tests to search api REST tests (elastic#21701)
  Fixing indentation in geospatial querying example. (elastic#21682)
  Fix typo in filters aggregation docs (elastic#21690)
  Add BWC layer for Exceptions (elastic#21694)
  Add checkstyle rule to forbid empty javadoc comments (elastic#20881)
  Docs: Added offline install link for discovery-file plugin
  remove pointless catch exception in TransportSearchAction (elastic#21689)
  Rename ClusterState#lookupPrototypeSafe to `lookupPrototype` and remove previous "unsafe" unused variant (elastic#21686)
  Use a buffer to do character to byte conversion in StreamOutput#writeString (elastic#21680)
  Fix integer overflows when dealing with templates. (elastic#21628)
  Fix highlighting on a stored keyword field (elastic#21645)
  Set execute permissions for native plugin programs (elastic#21657)
  adjust visibility of DiscoveryNodes.Delta constructor
  Remove unused DiscoveryNodes.Delta constructor
  Remove unused DiscoveryNode#removeDeadMembers public method
  Remove minNodeVersion and corresponding public `getSmallestVersion` getter method from DiscoveryNodes
  ...